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Updated 2012-10-02 - Version ZF 2.0.3

Zend\Http\Response

Overview

The Zend\Http\Response class is responsible for providing a fluent API that allows a developer to interact with all the various parts of an HTTP response.

A typical HTTP Response looks like this:

---------------------------
| VERSION | CODE | REASON |
---------------------------
|        HEADERS          |
---------------------------
|         BODY            |
---------------------------

The first line of the response consists of the HTTP version, status code, and the reason string for the provided status code; this is called the Response Line. Next is a set of headers; there can be 0 or an unlimited number of headers. The remainder of the response is the response body, which is typically a string of HTML that will render on the client’s browser, but which can also be a place for request/response payload data typical of an AJAX request. More information on the structure and specification of an HTTP response can be found in RFC-2616 on the W3.org site.

Quick Start

Response objects can either be created from the provided fromString() factory, or, if you wish to have a completely empty object to start with, by simply instantiating the Zend\Http\Response class.

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use Zend\Http\Response;
$response = Response::fromString(<<<EOS
HTTP/1.0 200 OK
HeaderField1: header-field-value
HeaderField2: header-field-value2

<html>
<body>
    Hello World
</body>
</html>
EOS);

// OR

$response = new Response();
$response->setStatusCode(Response::STATUS_CODE_200);
$response->getHeaders()->addHeaders(array(
    'HeaderField1' => 'header-field-value',
    'HeaderField2' => 'header-field-value2',
);
$response->setRawBody(<<<EOS
<html>
<body>
    Hello World
</body>
</html>
EOS);

Configuration Options

None currently available

Available Methods

Response::fromString

Response::fromString(string $string)

Populate object from string

Returns Zend\Http\Response

renderStatusLine

renderStatusLine()

Render the status line header

Returns string

setHeaders

setHeaders(Zend\Http\Headers $headers)

Set response headers

Returns Zend\Http\Response

headers

headers()

Get response headers

Returns Zend\Http\Headers

setVersion

setVersion(string $version)

Returns Zend\Http\Response

getVersion

getVersion()

Returns string

getStatusCode

getStatusCode()

Retrieve HTTP status code

Returns int

setReasonPhrase

setReasonPhrase(string $reasonPhrase)

Returns Zend\Http\Response

getReasonPhrase

getReasonPhrase()

Get HTTP status message

Returns string

setStatusCode

setStatusCode(numeric $code)

Set HTTP status code and (optionally) message

Returns Zend\Http\Response

isClientError

isClientError()

Does the status code indicate a client error?

Returns bool

isForbidden

isForbidden()

Is the request forbidden due to ACLs?

Returns bool

isInformational

isInformational()

Is the current status “informational”?

Returns bool

isNotFound

isNotFound()

Does the status code indicate the resource is not found?

Returns bool

isOk

isOk()

Do we have a normal, OK response?

Returns bool

isServerError

isServerError()

Does the status code reflect a server error?

Returns bool

isRedirect

isRedirect()

Do we have a redirect?

Returns bool

isSuccess

isSuccess()

Was the response successful?

Returns bool

decodeChunkedBody

decodeChunkedBody(string $body)

Decode a “chunked” transfer-encoded body and return the decoded text

Returns string

decodeGzip

decodeGzip(string $body)

Decode a gzip encoded message (when Content-encoding = gzip)

Currently requires PHP with zlib support

Returns string

decodeGzip

decodeDeflate(string $body)

Decode a zlib deflated message (when Content-encoding = deflate)

Currently requires PHP with zlib support

Returns string

setMetadata

setMetadata(string|int|array|Traversable $spec, mixed $value)

Set message metadata

Non-destructive setting of message metadata; always adds to the metadata, never overwrites the entire metadata container.

Returns Zend\Stdlib\Message

getMetadata

getMetadata(null|string|int $key, null|mixed $default)

Retrieve all metadata or a single metadatum as specified by key

Returns mixed

setContent

setContent(mixed $value)

Set message content

Returns Zend\Stdlib\Message

getContent

getContent()

Get message content

Returns mixed

toString

toString()

Returns string

Examples

Generating a Response object from a string

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use Zend\Http\Response;
$request = Response::fromString(<<<EOS
HTTP/1.0 200 OK
HeaderField1: header-field-value
HeaderField2: header-field-value2

<html>
<body>
    Hello World
</body>
</html>
EOS);

Generating a Response object from a string

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use Zend\Http\Response;
$response = new Response();
$response->setStatusCode(Response::STATUS_CODE_200);
$response->getHeaders()->addHeaders(array(
    'HeaderField1' => 'header-field-value',
    'HeaderField2' => 'header-field-value2',
);
$response->setRawBody(<<<EOS
<html>
<body>
    Hello World
</body>
</html>
EOS);
|

Contenidos

Tema anterior

Zend\Http\Request

Próximo tema

Zend\Http\Headers And The Various Header Classes

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